WrapPhase:

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   Wrap a phase angle (or vector of angles) to keep it between -pi and +pi
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   Form:
   angle = WrapPhase( angle )
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   Inputs
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   angle            (1,:)    Phase angle [rad]

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   Outputs
   -------
   angle            (1,:)    Wrapped phase angle between -pi and +pi [rad]

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Children: